C-Channel Swage Ladder
CSA System Selection Chart
Certified CSA Load Class
Atkore System
Load Depth
Side Rail
Flange Width
Max. Load (lb/ft)
Maximum Support Span
Deflection at Max Support Span
Meets CSA Elec. Tests
ALUMINUM LADDER TRAY - Safety Factor: 1.5
1 3/16 "
4 1/4" 4 1/4" 4 1/4" 5 1/4" 5 1/4" 5 1/4" 6 1/4" 6 1/4" 6 1/4" 6 1/4" 7 1/4" 4 1/4" 6 1/4" 6 1/4" 7 1/4" 7 1/4" 7 1/4" 7 1/4" 4 1/4" 6 1/4" 6 1/4" 7 1/4" 7 1/4" 7 1/4"
C
1B38
3"
(76mm)
(108mm)
65
3m
25.1
Yes
1 1/4" 1 1/4"
D
3D38
3"
(76mm)
(108mm)
45
6m (1)
108.5
Yes
16C
5D38
3"
(76mm)
(108mm)
100
4.9m
69.3
Yes
1 3/16 " 1 1/4" 1 1/4" 1 1/4" 1 1/4" 1 3/4" 1 1/4" 1 1/4"
C
1B48
4"
(102mm)
(133mm)
65
3m
22.1
Yes
20A
7448
4"
(102mm)
(133mm)
50
6m (1)
73.4
Yes
20B
3D48
4"
(102mm)
(133mm)
75
6m (1)
79.8
Yes
20A
1D58
5"
(127mm)
(159mm)
50
6m (1)
63.8
Yes
20B
5D58
5"
(127mm)
(159mm)
75
6m (1)
54.9
Yes
E
3658
5"
(127mm)
(159mm)
75
6m (1)
64.8
Yes
20C
7D58
5"
(127mm)
(159mm)
100
6m (1)
76.7
Yes
20C
5D68
6"
(152mm)
(184mm)
100
6m (1)
54.9
Yes
Mil Gal STEEL LADDER TRAY Safety Factor: 1.5
1 3/16 "
C
8B36
3"
(76mm)
(108mm)
65
3m
17.8
Yes
1 1/4" 1 1/4" 1 1/4"
20A
6456
5"
(127mm)
(159mm)
50
6m (1)
40.4
Yes
E
6D56
5"
(127mm)
(159mm)
75
6m (1)
46.2
Yes
20C
4D56
5"
(127mm)
(184mm)
100
6m (1)
48.5
Yes
1 3/16 "
12B
8B66
6"
(152mm)
(184mm)
75
3.7m
24.9
Yes
1 1/4" 1 1/4"
20A
6466
6"
(152mm)
(184mm)
50
6m (1)
23.1
Yes
20B
6D66
6"
(152mm)
(184mm)
75
6m (1)
33.8
Yes
HDGAF STEEL LADDER TRAY Safety Factor: 1.5
1 3/16 "
C
8B37
3"
(76mm)
(108mm)
65
3m
17.8
Yes
1 1/4" 1 1/4"
20A
6457
5"
(127mm)
(159mm)
50
6m (1)
40.4
Yes
E
6D57
5"
(127mm)
(159mm)
75
6m (1)
46.2
Yes
1 3/16 "
12B
8B67
6"
(152mm)
(184mm)
75
3.7m
24.9
Yes
1 1/4" 1 1/4"
20A
6467
6"
(152mm)
(184mm)
50
6m (1)
23.1
Yes
20B
6D67
6"
(152mm)
(184mm)
75
6m (1)
33.8
Yes
Certified Ladder Cable Tray Systems That Meet Performance Class CSA Std.C22.2
Load, kg/m (lb/ft)
Span, m (ft)
CSA Loads Identify the desired load designation needed for your project from the chart below. Both CSA Class and NEMA designations are listed by load capability and span. Then select the CSA Certified Atkore System from the table above. Where CSA C22.2 is not mandatory, you may want to consider other Atkore systems offered on the selection charts.
2.4 (8) 3.0 (10)
3.7 (12)
4.9 (16)
6.0 (20)
37 (25)
–
A
–
–
–
67 (45)
–
–
–
–
D
74 (50)
8A
–
12A
16A
20A
97 (65)
–
C
–
–
–
112 (75)
8B
–
12B
16B
E or 20B
149 (100)
8C
–
12C
16C
20C
179 (120)
–
D
–
–
–
299 (200)
–
E
–
–
–
Note: 8A/B/C, 12A/B/C, 16A/B/C, and 20A/B/C have been NEMA designations. A, B, C, D and E are CSA designations.
Ladder Cable Tray System - CSA Selection Chart
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